【正文】 ight也許；must必須；mustn’t禁止；may也許。他在這里已經(jīng)三天了。12．B解析：B【詳解】句意：——這周五郎朗會(huì)去藝術(shù)中心表演嗎？——是的。考查情態(tài)動(dòng)詞。11．D解析：D【詳解】句意：保護(hù)環(huán)境是非常重要的?？疾榍閼B(tài)動(dòng)詞。10．C解析：C【詳解】句意：——爸爸，我們一定要等綠燈嗎？——是的，恐怕我們必須這樣做。would將；may也許；can可能，可以；must必須。今天是最后一天。故選C。mustn’t禁止；should應(yīng)當(dāng)；can會(huì)、能；needn’t不需要。我馬上把火撲滅。8．C解析：C【詳解】句意：——小心！火有時(shí)候會(huì)很危險(xiǎn)。couldn’t不能，不會(huì)；wouldn’t不愿意；mustn’t禁止，不要；needn’t不需要，不必。7．C解析：C【詳解】句意：——快點(diǎn)，杰克！讓那個(gè)我們盡快地過馬路。根據(jù)“For your health and safety, you...be too careful.”可知，為了你的健康，你再怎么小心也不為過，“can’t...too...”表示“再……也不為過”。考查情態(tài)動(dòng)詞辨析。根據(jù)“Why didn’t you tell it to me earlier?”及“I want to have my own secret.”可知，此處應(yīng)該是“我為什么應(yīng)該告訴你？”故選C。 考查情態(tài)動(dòng)詞。故選C。may可以；must必須（有義務(wù)、有必要）；have to不得不（客觀情況驅(qū)使）；should應(yīng)該。4．C解析：C【詳解】句意：——你覺得我的新裙子怎么樣？ ——好吧，如果我不得不說的話，它不適合你。must是情態(tài)動(dòng)詞，意為“必須”，反意疑問句應(yīng)用need構(gòu)成，答語中也應(yīng)用need。考查情態(tài)動(dòng)詞。3．B解析：B【詳解】句意：——今天我必須去上學(xué)，是嗎？——不，你不必。情態(tài)動(dòng)詞would后面用動(dòng)詞原形，否定詞not放在drive前面?？疾閯?dòng)詞。2．D解析：D【詳解】句意：——請(qǐng)不要以那樣的方式開車可以么？那不安全。根據(jù)“I can’t put up the poster by myself.”可知，此處表示請(qǐng)求，用委婉語氣表達(dá)“能”幫一下嗎?？疾榍閼B(tài)動(dòng)詞辨析。 for22．According to the rule, used batteries ________ be dropped in the red bin for harmful wastes.A．may B．would C．should D．might23．— Listen! Tom ________ be listening to the music while doing his homework.— Let’s go upstairs to remind him to turn it off.A．should B．could C．would D．must24．—Suzy described every detail of the accident just now.—Her memory ________ be pletely back.A．shall B．need C．must D．could25．—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A．can B．may C．can’t D．shouldn’t26．Never throw objects from the building. Even a small object ________ cause serious injuries, or death, when dropped from a great height.A．must B．should C．may D．need27．Most young people like shopping online because they ________ spend much time going from shop to shop.A．needn’t B．can’t C．mustn’t D．shouldn’t28．—Will Jim e to Yangzhou for a holiday?—He ________e and it depends on how much homework he will have.A．may B．should C．must D．need29．You ________ require others to do with the problem like you. Everyone has his own way.A．mustn’t B．needn’t C．may not D．shouldn’t30．I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A．mustn’t B．don’t need C．needn’t D．can’t31．— What is that young lady’s job?— She ________ be a nurse, I’m not sure.A．must B．may C．need D．would32．— Excuse me. I haven’t finished reading the book yet. May I keep it a bit longer?— Sorry, you ________. You must return it on time.A．needn’t B．can’t C．won’t D．shouldn’t33．Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined.A．may B．will C．can D．must34．Sometimes smiles ________ be false, hiding other feelings l